#ifndef PUTTY_UNIX_H
#define PUTTY_UNIX_H

#include <stdio.h>		       /* for FILENAME_MAX */
//#include "charset.h"

struct Filename {
    char path[FILENAME_MAX];
};

struct FontSpec {
    char name[256];
};

typedef void *Context;

// Under GTK, we send MA_CLICK _and_ MA_2CLK, or MA_CLICK _and_
// MA_3CLK, when a button is pressed for the second or third time.
#define MULTICLICK_ONLY_EVENT 0

// Under X, selection data must not be NUL-terminated.
#define SELECTION_NUL_TERMINATED 0

// Under X, copying to the clipboard terminates lines with just LF.
#define SEL_NL { 10 }

// Simple wraparound timer function
unsigned long getticks(void);	       // based on gettimeofday(2)
#define GETTICKCOUNT getticks
#define TICKSPERSEC    1000	       // we choose to use milliseconds
#define CURSORBLINK     450	       // no standard way to set this
// getticks() works using gettimeofday(), so it's vulnerable to system clock
// changes causing chaos. Therefore, we provide a compensation mechanism.
#define TIMING_SYNC
#define TIMING_SYNC_ANOW
extern long tickcount_offset;

#define WCHAR wchar_t
#define BYTE unsigned char

// Things pty.c needs from pterm.c
char *get_x_display(void *frontend);
int font_dimension(void *frontend, int which);/* 0 for width, 1 for height */
long get_windowid(void *frontend);

// Things gtkdlg.c needs from pterm.c
void *get_window(void *frontend);      // void * to avoid depending on gtk.h

// Things pterm.c needs from gtkdlg.c
int do_config_box(const char *title, Config *cfg,
		  int midsession, int protcfginfo);
void fatal_message_box(void *window, char *msg);
void about_box(void *window);
void *eventlogstuff_new(void);
void showeventlog(void *estuff, void *parentwin);
void logevent_dlg(void *estuff, const char *string);
int reallyclose(void *frontend);

// Things pterm.c needs from {ptermm,uxputty}.c
char *make_default_wintitle(char *hostname);
int process_nonoption_arg(char *arg, Config *cfg, int *allow_launch);

// pterm.c needs this special function in xkeysym.c
int keysym_to_unicode(int keysym);

// Things uxstore.c needs from pterm.c
char *x_get_default(const char *key);

// Things uxstore.c provides to pterm.c
void provide_xrm_string(char *string);

// The interface used by uxsel.c
void uxsel_init(void);
typedef int (*uxsel_callback_fn)(int fd, int event);
void uxsel_set(int fd, int rwx, uxsel_callback_fn callback);
void uxsel_del(int fd);
int select_result(int fd, int event);
int first_fd(int *state, int *rwx);
int next_fd(int *state, int *rwx);
// The following are expected to be provided _to_ uxsel.c by the frontend
int uxsel_input_add(int fd, int rwx);  // returns an id
void uxsel_input_remove(int id);

// uxcfg.c
struct controlbox;
void unix_setup_config_box(struct controlbox *b, int midsession, int protocol);

// In the Unix Unicode layer, DEFAULT_CODEPAGE is a special value
// which causes mb_to_wc and wc_to_mb to call _libc_ rather than
// libcharset. That way, we can interface the various charsets
// supported by libcharset with the one supported by mbstowcs and
// wcstombs (which will be the character set in which stuff read
// from the command line or config files is assumed to be encoded).
#define DEFAULT_CODEPAGE 0xFFFF
#ifdef __MINGW32__
#define CP_UTF8 CS_UTF8		       // from libcharset
#endif

#define strnicmp strncasecmp
#define stricmp strcasecmp

// BSD-semantics version of signal(), and another helpful function
void (*putty_signal(int sig, void (*func)(int)))(int);
void block_signal(int sig, int block_it);

// Exports from unicode.c.
struct unicode_data;
int init_ucs(struct unicode_data *ucsdata, char *line_codepage,
	     int utf8_override, int font_charset, int vtmode);

// Spare function exported directly from uxnet.c.
void *sk_getxdmdata(void *sock, int *lenp);

// General helpful Unix stuff: more helpful version of the FD_SET
// macro, which also handles maxfd.
#define FD_SET_MAX(fd, max, set) do { \
    FD_SET(fd, &set); \
    if (max < fd + 1) max = fd + 1; \
} while (0)

#endif
